PowerShell completion for Pipenv. Edit: "notepad $profile.CurrentUserAllHosts"

pipenv_completion.ps1

function TabExpansion($line, $lastWord) {
    $lastBlock = [regex]::Split($line, '[|;]')[-1].TrimStart()
    $aliases = @("pipenv") + @(Get-Alias | where { $_.Definition -eq "pipenv" } | select -Exp Name)
    $aliasPattern = "($($aliases -join '|'))"
    if($lastBlock -match "^$aliasPattern ") {
        $Env:_PIPENV_COMPLETE = "complete-powershell"
        $Env:COMMANDLINE = "$lastBlock"
        (pipenv) | ? {$_.trim() -ne "" }
        Remove-Item Env:_PIPENV_COMPLETE
        Remove-Item Env:COMMANDLINE
    }
    elseif (Test-Path Function:\pipenvTabExpansionBackup) {
        # Fall back on existing tab expansion
        pipenvTabExpansionBackup $line $lastWord
    }
}